Dichloro-trihydropyrido [4, 3-D] pyrimidine concentration device

Abstract

The utility model discloses a dichloro-trihydropyrido [4, 3-D] pyrimidine concentration device in the technical field of concentration devices, which comprises a concentration tank, a stirring mechanism arranged in the concentration tank, a transmission mechanism arranged at the bottom of the concentration tank, discharge pipes connected to two ends of the bottom of the concentration tank, and a heating block connected to the inner wall of the concentration tank, the top of the concentration tank is provided with a cover body, the cover body is provided with a scraping mechanism, the scraping mechanism comprises a servo motor, the output end of the servo motor is provided with a one-way threaded rod, the outer wall of the one-way threaded rod is in threaded connection with a movable sleeve, the two sides of the movable sleeve are connected with L-shaped fixing rods, and the bottoms of the two L-shaped fixing rods are provided with wall scraping rings. The movable sleeve, the L-shaped fixed rod, the one-way threaded rod, the servo motor and the wall scraping ring are arranged in a matched manner, so that the wall scraping ring can be driven to move up and down along the inner wall of the concentration tank, the phenomenon that raw materials are adhered to the inner wall of the concentration tank and are adhered to the wall and burnt is prevented, and the waste of the raw materials is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of concentration device, especially to a dichloro-trihydro pyridine [4, 3-D] pyrimidine concentration device. BACKGROUND

[0002] Dichloro-trihydro pyridine [4, 3-D] pyrimidine compound has good chemical conversion activity, is widely used as organic synthesis intermediate and pharmaceutical chemical raw material, pyridine pyrimidine compound has the biological activity of inhibiting a plurality of cancer cells, has important research value in the field of new drug development, in addition, the compound with the basic structure of pyridine pyrimidine mostly has the biological activity of sterilization, antifungal, antiviral, anti-inflammatory, insecticidal and plant growth regulation, can be used as the drug for treating hypertension, bronchitis, gout and epilepsy and as antistimulant, antiallergic agent, cardiotonic agent, liver-protecting agent, diuretic agent, therefore, for the convenience of patients, under the premise of not reducing drug efficacy, reducing the volume of liquid medicine, become the most important ring in dichloro-trihydro pyridine [4, 3-D] pyrimidine compound production.

[0003] Patent publication No. CN221310645U discloses a sulfadiazine sodium concentration kettle, which comprises a concentration kettle body, a feeding cover rotatably connected to one side of the top surface of the concentration kettle body, a driving motor installed on the top surface of the concentration kettle body, a discharge pipe through-connected to the bottom surface of the concentration kettle body, and a feeding assembly arranged on the inner wall of the concentration kettle body. The feeding tank and the space inside the concentration kettle body are independently arranged, so that feeding can be carried out through the feeding tank, heat loss inside the concentration kettle body is avoided, and the processing efficiency of raw materials is improved. When the driving motor is started under the action of the transmission assembly, the driving rod and the stirring blade can move back and forth in the vertical direction while rotating, so that the raw materials inside the concentration kettle body can be fully stirred, the processing effect is better, and the practicability of the device is improved. However, in the concentration process, the raw materials are easy to adhere to the inner wall of the device, and if not scraped in time, the raw materials will be scorched, causing waste of raw materials. UTILITARY MODEL CONTENTS

[0004] In order to improve the problem that the raw materials are easy to adhere to the inner wall of the device in the concentration process of the above-mentioned device, and if not scraped in time, the raw materials will be scorched, causing waste of raw materials, the utility model provides a dichloro-trihydro pyridine [4, 3-D] pyrimidine concentration device.

[0005] The utility model provides a dichloro-trihydro pyridine [4, 3-D] pyrimidine concentration device, adopts the following technical scheme:

[0006] The utility model provides a dichloro -trihydrogen pyridine [4, 3 - D] pyrimidine concentration device, including the concentration tank, the inside of concentration tank is provided with stirring mechanism, the bottom of concentration tank is provided with transmission mechanism, the top of transmission mechanism is connected with the bottom of stirring mechanism, both ends of concentration tank bottom are connected with the discharge pipe, the inner wall of concentration tank is connected with heating block, the top of concentration tank is installed the cover body,

[0007] The left and right ends of the top of the cover body are respectively provided with a feed inlet and an exhaust port, a scraping mechanism is arranged on the cover body, the scraping mechanism comprises a servo motor, the servo motor is installed on the top of the cover body, a one-way threaded rod is installed on the output end of the servo motor, an active sleeve is screwed on the outer wall of the one-way threaded rod, L-shaped fixed rods are connected to the two sides of the active sleeve, a wall scraping ring is installed at the bottom of the two groups of L-shaped fixed rods, and the outer wall of the wall scraping ring is connected with the inner wall of the concentration tank.

[0008] Through the above technical scheme, the raw materials are added into the inside of the concentration tank through the feed inlet, the raw materials are heated by the heating block, and the stirring mechanism is driven to work by the transmission mechanism. The raw materials can be transported from top to bottom while being stirred, the vertical flow between each layer of raw materials is realized, the heating of the raw materials is more uniform, and the concentration efficiency is improved. At the same time, the servo motor is started, the one-way threaded rod is driven to rotate when the servo motor works, the active sleeve is driven to move downward by the rotation of the one-way threaded rod, and the wall scraping ring is driven to move downward along the inner wall of the concentration tank to scrape the material when the active sleeve moves downward through the L-shaped fixed rods. The wall sticking and scorching of the material liquid during the concentration process is prevented, and the waste of raw materials is reduced.

[0009] Optionally, support columns are installed at both ends of the bottom of the concentration tank.

[0010] Through the above technical scheme, the concentration tank can be supported by the two groups of support columns.

[0011] Optionally, control valves are arranged on the two groups of discharge pipes.

[0012] Through the above technical scheme, the discharge pipes can be easily opened or closed through the control valves.

[0013] Optionally, the stirring mechanism comprises two groups of stirring shafts, the two groups of stirring shafts are respectively installed at both ends of the inner bottom wall of the concentration tank, helical blades are connected to the outer walls of the two groups of stirring shafts at equal intervals, and stirring rods are arranged between adjacent two helical blades in sequence.

[0014] Through the above technical scheme, the stirring shafts are driven to rotate, the helical blades and the stirring rods are driven to rotate, the raw materials are transported from top to bottom, the vertical flow between each layer of raw materials is realized, the heating of the raw materials is more uniform, and the concentration efficiency is improved.

[0015] Optionally, the outer side of the transmission mechanism is provided with a protective cover, and the top of the protective cover is fixedly connected with the bottom of the concentration tank.

[0016] By adopting the above technical scheme, when the stepper motor works, the first transmission shaft drives the large gear to rotate, the large gear drives the two groups of small gears to rotate, and the second transmission shaft drives the two groups of stirring shafts to rotate synchronously.

[0017] Optionally, the inside of the feed inlet is inserted with a sealing plug, and the top of the sealing plug is above the feed inlet.

[0018] By adopting the above technical scheme, when the feeding is finished, the sealing plug is inserted into the inside of the feed inlet to block the feed inlet.

[0019] Optionally, the top of the exhaust port inner cavity is provided with a blocking net.

[0020] By adopting the above technical scheme, it is convenient to block the impurities outside through the blocking net, so as to avoid the impurities from entering the inside of the concentration tank to pollute the raw materials.

[0021] Optionally, a clamping mechanism is arranged between the cover body and the concentration tank, the clamping mechanism comprises an annular protrusion, the annular protrusion is installed at the bottom of the cover body, and the top of the concentration tank is provided with an annular groove matched with the annular protrusion.

[0022] By adopting the above technical scheme, the annular protrusion is inserted into the inside of the annular groove, so that the cover body and the concentration tank are connected more closely.

[0023] Optionally, the two sides of the cover body are connected with handle rods.

[0024] By adopting the above technical scheme, it is convenient for the staff to hold the handle rods to drive the cover body to move.

[0025] Optionally, a temperature sensor is installed at the inner top wall of the cover body, a controller is installed at the right side of the concentration tank, the output end of the temperature sensor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the heating block.

[0026] By adopting the above technical scheme, the raw materials are heated by the heating block, and the inside of the concentration tank is monitored by the temperature sensor, so that the temperature is maintained at the boiling point of the pyrimidine drug.

[0027] In summary, the utility model has at least one of the following beneficial effects:

[0028] Through the cooperation of the movable sleeve, the L-shaped fixing rod, the one-way threaded rod, the servo motor and the wall scraping ring, the wall scraping ring can be driven to move up and down along the inner wall of the concentration tank, so that the phenomenon of wall sticking and scorching of the raw materials adhered to the inner wall of the concentration tank is prevented, and the waste of raw materials is reduced.

[0029] Through the cooperation of the transmission mechanism, the stirring shaft, the spiral blade and the stirring rod, the transmission mechanism drives the stirring shaft to rotate, and then drives the spiral blade and the stirring rod to rotate, the raw materials are conveyed from top to bottom, the vertical flow between the layers of raw materials is achieved, the stirring is more uniform, the raw materials are heated more uniformly, and the concentration efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0031] Figure 1 It is a sectional view structure schematic diagram of the utility model;

[0032] Figure 2 It is a wall scraping ring overhead structure schematic diagram of the utility model;

[0033] Figure 3 It is a wall scraping ring overhead structure schematic diagram of the utility model; Figure 1 It is an enlarged structure schematic diagram of the middle A.

[0034] In the drawing: 1, scraping mechanism; 101, movable sleeve; 102, L-shaped fixing rod; 103, one-way threaded rod; 104, servo motor; 105, wall scraping ring; 2, sealing plug; 3, feed inlet; 4, cover body; 5, heating block; 6, concentration tank; 7, discharge pipe; 8, support column; 9, transmission mechanism; 901, pinion; 902, stepping motor; 903, first transmission shaft; 904, gear; 905, second transmission shaft; 10, protective cover; 11, control valve; 12, stirring mechanism; 1201, stirring shaft; 1202, spiral blade; 1203, stirring rod; 13, exhaust port; 14, screen; 15, temperature sensor; 16, handle; 17, clamping mechanism; 1701, annular protrusion; 1702, annular groove. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings to further describe the utility model. Figures 1-3 The utility model will be further described in detail.

[0036] Please refer to the drawings in the specification Figure 1 The utility model provides an embodiment: a kind of dichloro-trihydrogen pyridine [4, 3-D] pyrimidine concentration device, including concentration tank 6, the bottom of concentration tank 6 Both ends are vertically installed with support column 8. Two groups of support column 8 can support concentration tank 6.

[0037] Please refer to the drawings in the specification Figure 1 The inside of concentration tank 6 is provided with stirring mechanism 12, the bottom of concentration tank 6 is provided with transmission mechanism 9, the top of transmission mechanism 9 is connected with the bottom of stirring mechanism 12, and stirring mechanism 12 includes two groups of stirring shafts 1201, which are installed at both ends of the inner bottom wall of concentration tank 6, and the outer wall of the two groups of stirring shafts 1201 is fixedly connected with helical blade 1202 at equal intervals, and stirring rod 1203 is arranged in sequence between adjacent two helical blades 1202. Stirring shaft 1201 drives helical blade 1202 and stirring rod 1203 to rotate, transports raw materials from top to bottom, makes the vertical flow between each raw material layer, makes raw material heating more uniform, and improves concentration efficiency.

[0038] Please refer to the drawings in the specification Figure 1 The outside of transmission mechanism 9 is installed with protective cover 10, and the top of protective cover 10 is fixedly connected with the bottom of concentration tank 6, and transmission mechanism 9 includes stepping motor 902, which is installed at the bottom of concentration tank 6. The power output end of stepping motor 902 is fixedly installed with first transmission shaft 903, and the bottom of first transmission shaft 903 is fixedly installed with large gear 904. The two sides of large gear 904 are meshingly connected with pinion 901, and the top of two groups of pinion 901 is connected with second transmission shaft 905 at the bottom of two groups of stirring shafts 1201. When stepping motor 902 works, first transmission shaft 903 drives large gear 904 to rotate, large gear 904 drives two groups of pinion 901 to rotate, and pinion 901 drives two groups of stirring shafts 1201 to rotate synchronously through second transmission shaft 905.

[0039] Please refer to the drawings in the specification Figure 1 And Figure 3Both ends of the bottom of the concentration tank 6 are connected with the discharge pipes 7, and control valves 11 are arranged on the two groups of discharge pipes 7. The control valves 11 are arranged to facilitate the opening and closing of the discharge pipes 7. The inner wall of the concentration tank 6 is connected with the heating block 5, and the top of the concentration tank 6 is provided with a cover body 4. The cover body 4 and the concentration tank 6 are provided with a clamping mechanism 17. The clamping mechanism 17 includes an annular protrusion 1701 which is fixedly installed at the bottom of the cover body 4. The top of the concentration tank 6 is provided with an annular groove 1702 which is inserted and matched with the annular protrusion 1701. The annular protrusion 1701 is inserted into the annular groove 1702, so that the cover body 4 and the concentration tank 6 are more closely connected. The two sides of the cover body 4 are connected with handle rods 16. The handle rods 16 are convenient for the staff to hold and move the cover body 4.

[0040] Please refer to the drawings in the specification Figure 1 The inner top wall of the cover body 4 is provided with a temperature sensor 15, and the right side of the concentration tank 6 is provided with a controller. The output end of the temperature sensor 15 is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the heating block 5. The raw materials are heated by the heating block 5, and the temperature inside the concentration tank 6 is monitored by the temperature sensor 15, so that the temperature is maintained at the boiling point of the pyrimidine drug.

[0041] Please refer to the drawings in the specification Figure 1 The left and right ends of the top of the cover body 4 are respectively provided with a feeding port 3 and an exhaust port 13. The feeding port 3 is inserted with a sealing plug 2, and the top of the sealing plug 2 is located above the feeding port 3. When the feeding is finished, the sealing plug 2 is inserted into the feeding port 3 to block the feeding port 3. The top of the inner cavity of the exhaust port 13 is provided with a blocking net 14. The blocking net 14 is convenient for blocking impurities from the outside, so as to avoid the impurities from entering the inside of the concentration tank 6 to pollute the raw materials.

[0042] Please refer to the drawings in the specification Figure 1 、 Figure 2 and Figure 3 The cover body 4 is provided with a scraping mechanism 1. The scraping mechanism 1 includes a servo motor 104 which is installed at the top of the cover body 4. The output end of the servo motor 104 is provided with a one-way threaded rod 103. The outer wall of the one-way threaded rod 103 is screwed with a movable sleeve 101. The two sides of the movable sleeve 101 are fixedly connected with L-shaped fixed rods 102. The bottoms of the two groups of L-shaped fixed rods 102 are fixedly installed with a scraping wall ring 105. The outer wall of the scraping wall ring 105 is connected with the inner wall of the concentration tank 6.

[0043] Working principle: in use, the raw materials are added into the inside of the concentration tank 6 through the feed inlet 3, the power supply is connected, the heating block 5 is opened to heat the raw materials through the controller, and the step motor 902 is started at the same time, when the step motor 902 works, the large gear 904 is driven to rotate through the first transmission shaft 903, the small gear 901 is driven to rotate through the rotation of the large gear 904, and then the two groups of second transmission shafts 905 are driven to rotate, the two groups of stirring shafts 1201 are driven to rotate through the rotation of the second transmission shaft 905, and the spiral blade 1202 and the stirring rod 1203 are driven to rotate through the rotation of the stirring shaft 1201, so that the raw materials can be conveyed from top to bottom while being stirred, the vertical flow between the raw material layers is realized, the raw materials are heated more uniformly, and the concentration efficiency is improved.

[0044] In the process of heating, the temperature value in the inside of the concentration tank 6 is sensed through the temperature sensor 15, at the same time, the servo motor 104 is started, when the servo motor 104 works, the one-way threaded rod 103 is driven to rotate, the movable sleeve 101 is driven to move downwards through the rotation of the one-way threaded rod 103, when the movable sleeve 101 moves downwards, the wall scraping ring 105 is driven to move downwards along the inner wall of the concentration tank 6 through the L-shaped fixing rod 102 to scrape the materials, so that the material liquid is prevented from adhering to the inner wall of the concentration tank 6 to cause wall sticking and scorched, and then the waste of raw materials is reduced.

[0045] The steam generated in the heating process is discharged out of the concentration tank 6 through the exhaust port 13, through the setting of the blocking net 14, foreign matters in the outside can be avoided from falling into the inside of the concentration tank 6, after the concentration is completed, the control valve 11 is opened, the liquid medicine is discharged out through the discharge pipe 7, then the staff holds the grip rod 16 and pulls upwards, the grip rod 16 drives the cover body 4 to move upwards, so that the annular protrusion 1701 is separated from the annular groove 1702, and then the cover body 4 can be separated from the concentration tank 6, and the inside of the concentration tank 6 is conveniently cleaned.

[0046] The above are preferable embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device comprising a concentration tank (6), characterized in that: The inside of the concentration tank (6) is provided with a stirring mechanism (12), the bottom of the concentration tank (6) is provided with a transmission mechanism (9), the top of the transmission mechanism (9) is connected with the bottom of the stirring mechanism (12), both ends of the bottom of the concentration tank (6) are connected with discharge pipes (7), the inner wall of the concentration tank (6) is connected with heating blocks (5), and the top of the concentration tank (6) is provided with a cover body (4). The left and right ends of the top of the cover body (4) are respectively provided with a feeding port (3) and an exhaust port (13), the cover body (4) is provided with a scraping mechanism (1), the scraping mechanism (1) comprises a servo motor (104), the servo motor (104) is installed on the top of the cover body (4), the output end of the servo motor (104) is provided with a one-way threaded rod (103), the outer wall of the one-way threaded rod (103) is screwed with a movable sleeve (101), the two sides of the movable sleeve (101) are connected with L-shaped fixed rods (102), the bottom of the two groups of L-shaped fixed rods (102) is provided with a scraping wall ring (105), and the outer wall of the scraping wall ring (105) is connected with the inner wall of the concentration tank (6).

2. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 1, characterized in that: The bottom of the concentration tank (6) is provided with a support column (8).

3. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 1, characterized in that: The two groups of discharge pipes (7) are provided with control valves (11).

4. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 1, characterized in that: The stirring mechanism (12) comprises two groups of stirring shafts (1201), the two groups of stirring shafts (1201) are respectively installed at the two ends of the inner bottom wall of the concentration tank (6), the outer walls of the two groups of stirring shafts (1201) are connected with spiral blades (1202) at equal intervals, and adjacent two spiral blades (1202) are sequentially and staggeredly arranged with stirring rods (1203).

5. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 4, characterized in that: The outer side of the transmission mechanism (9) is provided with a protective cover (10), and the top of the protective cover (10) is fixedly connected with the bottom of the concentration tank (6), the transmission mechanism (9) comprises a stepping motor (902), the stepping motor (902) is installed at the bottom of the concentration tank (6), the power output end of the stepping motor (902) is provided with a first transmission shaft (903), the bottom of the first transmission shaft (903) is provided with a large gear (904), the two sides of the large gear (904) are meshed with small gears (901), and the top of the two groups of small gears (901) is connected with the bottom of the two groups of stirring shafts (1201) through a second transmission shaft (905).

6. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 1, characterized in that: The inside of the feeding port (3) is inserted with a sealing plug (2), and the top of the sealing plug (2) is located above the feeding port (3).

7. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 1, characterized in that: The top of the inner cavity of the exhaust port (13) is provided with a blocking net (14).

8. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 1, characterized in that: The cover body (4) and the concentration tank (6) are provided with a clamping mechanism (17), the clamping mechanism (17) comprises an annular protrusion (1701), the annular protrusion (1701) is installed at the bottom of the cover body (4), and the top of the concentration tank (6) is provided with an annular groove (1702) matched with the annular protrusion (1701).

9. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 1, characterized in that: The two sides of the cover body (4) are connected with handle rods (16).

10. A dichloro-trihydropyrido[4,3-D]pyrimidine concentration device according to claim 1, characterized in that: The inner top wall of the cover (4) is provided with a temperature sensor (15), the right side of the concentration tank (6) is provided with a controller, the output end of the temperature sensor (15) is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the heating block (5).

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